Business Segments - Product line information (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenue from External Customer [Line Items]
Sales	$ 726,189	$ 739,518	$ 764,698	$ 877,995	$ 870,660	$ 860,141	$ 927,555	$ 965,686	$ 3,108,400	$ 3,624,042	$ 3,617,773
Sealing systems [Member]
Revenue from External Customer [Line Items]
Sales									1,534,456	1,797,945	1,909,202
Fuel and brake delivery systems [Member]
Revenue from External Customer [Line Items]
Sales									740,889	796,035	756,495
Fluid transfer systems [Member]
Revenue from External Customer [Line Items]
Sales									598,172	563,342	521,553
Anti-vibration systems [Member]
Revenue from External Customer [Line Items]
Sales									78,728	339,903	326,684
Other products [Member]
Revenue from External Customer [Line Items]
Sales									$ 156,155	$ 126,817	$ 103,839